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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/testsuite/gcc.misc-tests/sieve.c | |
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Diffstat (limited to 'gcc/testsuite/gcc.misc-tests/sieve.c')
-rw-r--r-- | gcc/testsuite/gcc.misc-tests/sieve.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.misc-tests/sieve.c b/gcc/testsuite/gcc.misc-tests/sieve.c new file mode 100644 index 000000000..de250e8e5 --- /dev/null +++ b/gcc/testsuite/gcc.misc-tests/sieve.c @@ -0,0 +1,26 @@ + +#define TRUE 1 +#define FALSE 0 +#define SIZE 8190 + +char flags[SIZE+1]; + +main() +{ + register int i, prime, k, count, iter; + for (iter=1;iter<=100;iter++) { + count=0; + for (i=0;i<=SIZE;i++) + flags[i]=TRUE; + for (i=0;i<=SIZE;i++) { + if (flags[i]) { + prime=i+i+3; + for (k=i+prime;k<=SIZE;k+=prime) + flags[k]=FALSE; + count++; + } + } + } + return 0; +} + |